High Temperature Charcoal Solder Block Probably the best charcoal block in the world. Made from hardwood for durability and longevity. This is a high quality block so it will last 3-5 times longer. Heat retention is high and is most suitable for platinum. This chemically prepared charcoal block glows under a flame and reflects heat back into your creation. It’s a denser block of charcoal, but it’s still soft, so it’s easy to stick a locating pin into it to hold your work in place. Charcoal solder blocks are very helpful in the soldering process. It doesn’t absorb much heat. Instead, it reflects it, helping to heat the area above it faster. They create an oxygen-consuming reducing atmosphere around the components to be soldered. Helps prevent fire scale build-up. If too worn, the surface can be sanded down. Even if it breaks, the part is still usable. There are also some drawbacks. It can crack or break after heating. It may continue to burn after soldering. It can get messy. Use in a well-ventilated area as fumes may be generated. they get used to it. Approximate Size: 3-1/2″ x 2-3/8″ x 1-1/8″ FDJTool.com Item Number: so480
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